There are total 13 hours or 780 minutes from 7am to 8pm. In words, this duration is equal to thirteen hours or seven hundred eighty minutes.
How many hours from
| 1PM to 11AM | 8AM to 3PM | 5AM to 12AM |
| 4AM to 9AM | 8PM to 9AM | 6AM to 4AM |
| 9AM to 3AM | 10AM to 11AM | 10PM to 9AM |
| 2AM to 4AM | 12AM to 3AM | 7AM to 12PM |
| 3AM to 4AM | 5PM to 5AM | 1PM to 8PM |
| 5PM to 12AM | 1PM to 11AM | 12AM to 11AM |
